42321780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1231}}^1$

素因数の和:1437

約数の個数: 72

約数和(自身を含む): 129153024

約数和(自身を除く): 86831244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 191, 382, 573, 764, 955, 1146, 1231, 1719, 1910, 2292, 2462, 2865, 3438, 3693, 3820, 4924, 5730, 6155, 6876, 7386, 8595, 11079, 11460, 12310, 14772, 17190, 18465, 22158, 24620, 34380, 36930, 44316, 55395, 73860, 110790, 221580, 235121, 470242, 705363, 940484, 1175605, 1410726, 2116089, 2351210, 2821452, 3526815, 4232178, 4702420, 7053630, 8464356, 10580445, 14107260, 21160890, 42321780]

約数ペア:

[(1, 42321780), (2, 21160890), (3, 14107260), (4, 10580445), (5, 8464356), (6, 7053630), (9, 4702420), (10, 4232178), (12, 3526815), (15, 2821452), (18, 2351210), (20, 2116089), (30, 1410726), (36, 1175605), (45, 940484), (60, 705363), (90, 470242), (180, 235121), (191, 221580), (382, 110790), (573, 73860), (764, 55395), (955, 44316), (1146, 36930), (1231, 34380), (1719, 24620), (1910, 22158), (2292, 18465), (2462, 17190), (2865, 14772), (3438, 12310), (3693, 11460), (3820, 11079), (4924, 8595), (5730, 7386), (6155, 6876)]